Imperial College London


Faculty of EngineeringDepartment of Materials

Chair in Materials Design



+44 (0)20 7594 1178a.walsh Website




2.10Royal School of MinesSouth Kensington Campus





Aron Walsh is a Full Professor and Fellow of the Royal Society of Chemistry in the Department of Materials. He leads the Materials Design Group at Imperial College and is a Dual Professor at Yonsei University, Korea.

Aron was awarded his PhD in Chemistry from Trinity College Dublin. He then worked for the US Department of Energy at the National Renewable Energy Laboratory (NREL), followed by a Marie Curie Fellowship hosted by University College London, and a Royal Society University Research Fellowship held at the University of Bath.

His research involves cutting-edge materials theory and simulation applied to problems across solid state chemistry and physics, including materials for solar cells and solar fuels, information storage, batteries, thermoelectrics and solid-state lighting. He has an expertise in the theory of semiconductors and dielectrics, and is developing innovative solutions for materials data, informatics and design. His group published a review on machine learning for molecules and materials in Nature. 

These activities have been supported by funding from the Royal Society, EPSRC, ERC, Horizon2020, and the Faraday Institution

In 2015, Aron was awarded the EU-40 prize from the European Materials Research Society and the Chemistry Society Reviews Emerging Investigator Lectureship for his work on the theory of next-generation perovskite photovoltaics. In 2017, he was a recipient of the Philip Leverhulme Prize. In 2019, he received the Corday-Morgan Prize from the Royal Society of Chemistry for his breakthrough research on hybrid organic-inorganic solids.

Aron features in the Highly Cited Researchers list. A full publication list can be found on Google Scholar.

Scientific Editor

Royal Society of Chemistry: Materials Horizons

Editorial Advisory Boards

Institute of Physics: JPhys Energy

Royal Society of Chemistry: Sustainable Energy & Fuels

American Institute of Physics: APL Materials



Park JS, Kim S, Hood SN, et al., 2019, Publisher's Note: Open-circuit voltage deficit in Cu<inf>2</inf>ZnSnS<inf>4</inf> solar cells by interface bandgap narrowing (Applied Physics Letters (2018) 113 (212103) DOI: 10.1063/1.5094791), Applied Physics Letters, Vol:114, ISSN:0003-6951

Sachs M, Park JS, Pastor E, et al., 2019, Effect of oxygen deficiency on the excited state kinetics of WO3 and implications for photocatalysis, Chemical Science, Vol:10, ISSN:2041-6520, Pages:5667-5677

Park J-S, Calbo J, Jung Y-K, et al., 2019, Accumulation of Deep Traps at Grain Boundaries in Halide Perovskites, Acs Energy Letters, Vol:4, ISSN:2380-8195, Pages:1321-1327

Wong LH, Zakutayev A, Major JD, et al., 2019, Emerging inorganic solar cell efficiency tables (Version 1), Jphys Energy, ISSN:2515-7655


Davies D, Butler K, Jackson AJ, et al., 2019, SMACT: Semiconducting Materials by Analogy and Chemical Theory, v.v2.1

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